How did the mechanization of the mining industry affect the American economy during WWI?

Which of these reasons describes why spain was motivated to compete with portugal

What does the timeline above show about the consequences of the persian wars? a. each city-state of greece had equal influence after the wars. b. athens and sparta continued attacking persia after the wars had ended. c. persia continued to dominate greece for years after the wars. d. the alliance between athens and sparta ended shortly after the wars.

When congress passed the way davis bill in response to lincolns reconstruction plans the president did what to the bill